Is SubscriptionContract's nextBillingDate value incorrect ?

[camelmasa]

We tested to buy a daily subscription product at 2021-02-03T02:00:00Z. Then, We called SubscriptionContract GraphQL. Like below.

subscriptionContract(id: $id) {
  id
  nextBillingDate
}

It returns this.

{
  id: 'gid://shopify/SubscriptionContract/35127445',
  nextBillingDate: '2021-02-03T21:00:00Z',
}

The "nextBillingDate" value should be 2021-02-04T02:00:00Z or 2021-02-03T21:00-05:00.

[camelmasa]

For now, We add 5 hours to the nextBilligDate value for this issue.

[BStubbs]

After the successful BillingAttempt, are you setting the new nextBillingDate with a local or UTC datetime? It should be a UTC datetime.

[camelmasa]

Thanks for replying.

> After the successful BillingAttempt, are you setting the new nextBillingDate with a local or UTC datetime? It should be a UTC datetime.

No, We just do to buy a daily subscription product.  Then, We called SubscriptionContract GraphQL.

[BStubbs]

Sounds like someone is confusing a UTC and a local timezone when the SubscriptionContract is created. Maybe take this to the Subscriptions API forum section?

[camelmasa]

Oh, nice idea! I didn't know that section 😄 Thanks. I'll post the same question.

[camelmasa · Accepted solution]

Moved it to here https://community.shopify.com/c/Subscription-APIs/Is-SubscriptionContract-s-nextBillingDate-value-in...